student

bai16A= a1*x^5 + b1*x^4 +c1*x^3 +d1*x^2 +e1*x;

function bai16

syms x;

a1= input(' Nhap a1: ');

b1= input(' Nhap b1: ');

c1= input(' Nhap c1: ');

d1= input(' Nhap d1: ');

e1= input(' Nhap e1: ');

a2= input(' Nhap a2: ');

b2= input(' Nhap b2: ');

c2= input(' Nhap c2: ');

d2= input(' Nhap d2: ');

A= a1*x^5 + b1*x^4 +c1*x^3 +d1*x^2 +e1*x;

B= cos(a2*x) +sin(b2*x) +1/tan(c2*x) +tan(d2*x);

disp('Cac nghiem cua bieu thuc A la:')

solve(A)

disp('Cac nghiem cua bieu thuc B la:')

solve(B)

subplot(1,2,1)

ezplot(A)

subplot(1,2,2)

ezplot(B)